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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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UPC1857ACT Datenblatt(PDF) 1 Page - NEC |
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UPC1857ACT Datenblatt(HTML) 1 Page - NEC |
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1 / 44 page  The information in this document is subject to change without notice. BIPOLAR ANALOG INTEGRATED CIRCUIT µµµµPC1857A SOUND CONTROL IC WITH SURROUND AND I 2C BUS 1997 © Document No. S12453EJ1V1DS00 (1st edition) Date Published March 1998 N CP(K) Printed in Japan DATA SHEET DESCRIPTION The µPC1857A is a sound control IC with I2C bus. It has functions to control volume, balance, and tone, and a phase shift matrix surround function. The surround function achieves wide sound expansion using only two front speakers. Three modes can be selected: movie mode that increases the presence of sound with stereo sound input, music mode emphasizing vocal music, and simulated mode that gives expansion and left and right sound depth with monaural sound input. The µPC1857A can perform all control (mode switching, volume control and so on) using I2C. FEATURES • Volume control function : Attenuation adjustable from 0 to −80 dB in 64 steps • Balance control function : The difference in attenuation adjustable from 0 to −80 dB in 64 steps • Tone (bass, treble) control function : Adjustable in 32 steps from +10 to −10 dB • Surround function (gain adjustable) : Three modes (movie, music, and simulated) • Mute function • Mixing function • Output selection function (for two mono channels input) • All parameters can be controlled via I 2C bus. APPLICATIONS • TV, PC monitor ORDERING INFORMATION Part Number Package µPC1857ACT 30-pin plastic shrink DIP (400 mil) |
Ähnliche Teilenummer - UPC1857ACT |
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Ähnliche Beschreibung - UPC1857ACT |
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